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Ch. 6 Vocabulary Crossword

Across
the stage of mitosis during which chromosomes arrive at opposite poles, decondense, and are surrounded by new nuclear envelopes
the period of the cell cycle at which the duplicated chromosomes are separated into identical nuclei; includes prophase, prometaphase, metaphase, anaphase, and telophase
the region of the prokaryotic chromosome at which replication begins
the position of a gene on a chromosome
__________ chromosomes- chromosomes of the same length with genes in the same location; diploid organisms have pairs of homologous chromosomes, and the members of each pair come from different parents
Metaphase ______- the equatorial plane midway between two poles of a cell where the chromosomes align during metaphase
a paired rod-like structure constructed of microtubules at the center of each animal cell centrosome
the stage of mitosis during which mitotic spindle fibers attach to kinetochores
a wall formed between bacterial daughter cells as a precursor to cell separation
the division of the cytoplasm following mitosis to form two daughter cells
the stage of mitosis during which chromosomes condense and the mitotic spindle begins to form
____ fission- the process of prokaryotic cell division
______ Furrow- a constriction formed by the actin ring during animal-cell cytokinesis that leads to cytoplasmic division
the physical and functional unit of heredity; a sequence of DNA that codes for a specific peptide or RNA molecule
Tumor _______ Gene- a gene that codes for regulator proteins that prevent the cell from undergoing uncontrolled division
the entire genetic complement (DNA) of an organism
Down
describes a cell, nucleus, or organism containing two sets of chromosomes (2n)
the stage of mitosis during which chromosomes are lined up at the metaphase plate
the second, or synthesis phase, of interphase during which DNA replication occurs
a structure formed during plant-cell cytokinesis by Golgi vesicles fusing at the metaphase plate; will ultimately lead to formation of a cell wall to separate the two daughter cells
describes a cell, nucleus, or organism containing one set of chromosomes (n)
Cell Cycle ____- mechanisms that monitor the preparedness of a eukaryotic cell to advance through the various cell cycle stages
a protein structure in the centromere of each sister chromatid that attracts and binds spindle microtubules during prometaphase
a haploid reproductive cell or sex cell (sperm or egg)
The stage of mitosis during which sister chromatids are separated from each other
a tubulin-like protein component of the prokaryotic cytoskeleton that is important in prokaryotic cytokinesis (name origin: Filamenting temperature-sensitive mutant Z)
the period of the cell cycle leading up to mitosis; includes G1, S, and G2 phases; the interim between two consecutive cell divisions
a mutated version of a proto-oncogene, which allows for uncontrolled progression of the cell cycle, or uncontrolled cell reproduction
Mitotic _______- the microtubule apparatus that orchestrates the movement of chromosomes during mitosis
_____ phase- a cell-cycle phase distinct from the G1 phase of interphase; a cell in G0 is not preparing to divide